AIC111 - 1.3-V micro Power Single Channel Codec

The AIC111 IC design specification serves to provide product development teams with a guideline for how the AIC111 IC is specified and programmable options that are available. The document outlines a top-level block description of the IC along with system specifications and functions. Individual block descriptions and target specifications are also outlined.

The Texas Instruments AIC111 is a TI µPower DSP compatible, or microcontroller compatible audio codec product, or analog interface circuit. The AIC111 is part of a comprehensive family of DSP/µC based high-performance analog interface solutions. The AIC111 is targeted primarily at personal medical devices, such as hearing instruments, aural preprocessing applications, and low-power headset applications. The AIC111 is used in any design requiring a programmable time constant PGA/compressor interface, high dynamic range analog-to-digital converter, an external DSP/µC handling signal processing, or a low distortion digital-to-analog converter with a balanced H-Bridge speaker driver. It supports a CMOS digital interface tailored for TI DSPs with the McBSP protocol such as TMS320VC54x™ DSP family and SPI-based controllers such as TI MSP430x family of microcontrollers. The AIC111 also has an external microphone or sensor supply and bias and power supply up low-battery monitor indicator.

The AIC111 comes in a 32-pin QFN 5×5-mm package. A 32-pad solder ball bumped flip chip die that comes in waffle packs or tape and reel is in preview and will be available 3rd quarter 2003.

Products containing the "AIC111" keyword are: AIC1110 , AIC1117 , AIC1117-1.2V , AIC1117-1.8 , AIC1117-15CY , AIC1117-18CY , AIC1117-18PE , AIC1117-18PY , AIC1117-18PYTR , AIC1117-18YTR , AIC1117-2.5 , AIC1117-25CE , AIC1117-25CY , AIC1117-25CYTR , AIC1117-25GT , AIC1117-25PE , AIC1117-25PETB , AIC1117-25PETR , AIC1117-25PI , AIC1117-25PY

• Single Channel Codec
• Noise Shaped Delta Sigma ADC and DAC Technology
• Low Supply Voltage and Current:
  • 1.3-V Typical Power Supply
  • 350-µA Typical Supply Current Drain
• Power Supply Up Monitor and Low Battery Monitor That Also Automatically Shuts Off H-Bridge Output When Battery Decays Below 1.05 V in a Nontransient Manner
• Typical 2.4-µVrms Input Referred Noise With 0.01% Total Harmonic Distortion for Front End and 108-dB Dynamic Range
• ADC Has 87-dB Dynamic Range With 73-dB Total Harmonic Distortion 100 Hz–10 kHz, 40-kHz Sampling Rate
• Typical 55-dB PSRR 100 Hz to 10 kHz for Analog Front End
• Low Noise Programmable Gain Amplifier/Compressor Front End With Programmable Fast and Slow Attack and Decay Rates With Dual or Single Attack and Decay Rate Option
• Typical Output Noise of 12 µVrms With 0.05% Total Harmonic Distortion for Delta Sigma DAC and H-Bridge Output Driver
• Low Jitter Oscillator That Generates all Internal Clocks and Generates 5-MHz Output DSP/µC Clock
• Regulated Bandgap Voltage Reference
• Programmable Functionality via Digital Serial Interface
  • McBSP Interface, DSP Protocol
  • TI TMS320VC54x™, TMS320VC55x™ DSPs
  • SPI Interface, Microcontroller Protocol
  • TI MSP430xx
• External Chip Power Down and Reset
• Available in:
  • 32-Pin QFN 5×5-mm Plastic Package
  • 32-Pad Bumped Die in Waffle Pack (wafer scale packaging)
• APPLICATIONS
  • Hearing Instruments
  • Personal Medical Devices
  • Hearing Protection
  • Aural Processing
  • Low-Power Headsets